The HG 553 needs support 3G/4G working mode to be able to configure it from the Reliance modem. If it supports the above mode, access its QuickSetup and select 3G/4G mode then input the following details:
- Choose your country
- Select Reliance Net Connect (with dial number #777 and APN blank)
- Select Manual connection
- Input #777 as dial number.
- Leave APN field as blank
- Username: net
- Password: net
That's the configuration procedure. Once it's set up, you can use the HG-553 as a gateway.